L9680 datasheet(151/277 Pages) STMICROELECTRONICS

tên linh kiện	L9680

Giải thích chi tiết về linh kiện	Automotive advanced airbag IC for mid/high end applications

PDF	277 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

Logo

151 / 277 page

DocID029257 Rev 1

151/277

L9680

SPI interfaces

276

Cleared by SSM_RESET or SPI read or when channel is commanded OFF

via SPI RSCTRL

updated when a valid PSI5 frame is received

Wheel speed configured channel (RSDR0, RSDR1, RSDR2, RSDR3)

CRC[2:0]

CRC based on bits [16:0]

Updated based on bits [16:0]

STDSTL

0 Standstill indication (valid only for VDA sensor or PWM 2 edges)

1 Standstill

0 Valid Sensor Signal

FLT

1 Fault Status - Depending on Fault Status, the DATA bits are defined differently

Cleared when all of the following bits are '0': STG, STB, CURRENT_HI,

OPENDET, RSTEMP, INVALID, PULSE OVERFLOW ERROR, NODATA

Set when any of the following bits are '1': STG, STB, CURRENT_HI,

OPENDET, RSTEMP, INVALID, PULSE OVERFLOW ERROR, NODATA

0 No Fault

1 Fault

Latch_D0

0 Logical Channel ID

0 no prior bit0 faults

1 prior message(s) contained bit0 fault

LCID[1:0]

Logical Channel ID

00 RSU0

01 RSU1

10 RSU2

11 RSU3

DATA[11:0] $000 $000 $000 12-bit data from wheel speed decoder

VDA Data Format

DATA [7:0] Counter bits

DATA [11:8] Counter bits

PWM Data Format

DATA [8:0] Pulse Data bits

L9680 bảng dữ liệu(PDF) 151 Page - STMicroelectronics